author | Lars Hjemli <hjemli@gmail.com> | 2008-03-27 23:09:11 (UTC) |
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committer | Lars Hjemli <hjemli@gmail.com> | 2008-03-27 23:09:11 (UTC) |
commit | 20a33548b9a87a6eb23162ee5d137daa46d78613 (patch) (unidiff) | |
tree | 9c4ca364df64dcce640a531c7f515ee48bc99387 /parsing.c | |
parent | ee4056bd2c902a12dea67874368863fe60ea5a5f (diff) | |
download | cgit-20a33548b9a87a6eb23162ee5d137daa46d78613.zip cgit-20a33548b9a87a6eb23162ee5d137daa46d78613.tar.gz cgit-20a33548b9a87a6eb23162ee5d137daa46d78613.tar.bz2 |
Move function for configfile parsing into configfile.[ch]
This is a generic function which wanted its own little object file.
Signed-off-by: Lars Hjemli <hjemli@gmail.com>
-rw-r--r-- | parsing.c | 75 |
1 files changed, 0 insertions, 75 deletions
@@ -1,332 +1,257 @@ | |||
1 | /* config.c: parsing of config files | 1 | /* config.c: parsing of config files |
2 | * | 2 | * |
3 | * Copyright (C) 2006 Lars Hjemli | 3 | * Copyright (C) 2006 Lars Hjemli |
4 | * | 4 | * |
5 | * Licensed under GNU General Public License v2 | 5 | * Licensed under GNU General Public License v2 |
6 | * (see COPYING for full license text) | 6 | * (see COPYING for full license text) |
7 | */ | 7 | */ |
8 | 8 | ||
9 | #include "cgit.h" | 9 | #include "cgit.h" |
10 | 10 | ||
11 | int next_char(FILE *f) | ||
12 | { | ||
13 | int c = fgetc(f); | ||
14 | if (c=='\r') { | ||
15 | c = fgetc(f); | ||
16 | if (c!='\n') { | ||
17 | ungetc(c, f); | ||
18 | c = '\r'; | ||
19 | } | ||
20 | } | ||
21 | return c; | ||
22 | } | ||
23 | |||
24 | void skip_line(FILE *f) | ||
25 | { | ||
26 | int c; | ||
27 | |||
28 | while((c=next_char(f)) && c!='\n' && c!=EOF) | ||
29 | ; | ||
30 | } | ||
31 | |||
32 | int read_config_line(FILE *f, char *line, const char **value, int bufsize) | ||
33 | { | ||
34 | int i = 0, isname = 0; | ||
35 | |||
36 | *value = NULL; | ||
37 | while(i<bufsize-1) { | ||
38 | int c = next_char(f); | ||
39 | if (!isname && (c=='#' || c==';')) { | ||
40 | skip_line(f); | ||
41 | continue; | ||
42 | } | ||
43 | if (!isname && isspace(c)) | ||
44 | continue; | ||
45 | |||
46 | if (c=='=' && !*value) { | ||
47 | line[i] = 0; | ||
48 | *value = &line[i+1]; | ||
49 | } else if (c=='\n' && !isname) { | ||
50 | i = 0; | ||
51 | continue; | ||
52 | } else if (c=='\n' || c==EOF) { | ||
53 | line[i] = 0; | ||
54 | break; | ||
55 | } else { | ||
56 | line[i]=c; | ||
57 | } | ||
58 | isname = 1; | ||
59 | i++; | ||
60 | } | ||
61 | line[i+1] = 0; | ||
62 | return i; | ||
63 | } | ||
64 | |||
65 | int cgit_read_config(const char *filename, configfn fn) | ||
66 | { | ||
67 | static int nesting; | ||
68 | int len; | ||
69 | char line[256]; | ||
70 | const char *value; | ||
71 | FILE *f; | ||
72 | |||
73 | /* cancel deeply nested include-commands */ | ||
74 | if (nesting > 8) | ||
75 | return -1; | ||
76 | if (!(f = fopen(filename, "r"))) | ||
77 | return -1; | ||
78 | nesting++; | ||
79 | while((len = read_config_line(f, line, &value, sizeof(line))) > 0) | ||
80 | (*fn)(line, value); | ||
81 | nesting--; | ||
82 | fclose(f); | ||
83 | return 0; | ||
84 | } | ||
85 | |||
86 | char *convert_query_hexchar(char *txt) | 11 | char *convert_query_hexchar(char *txt) |
87 | { | 12 | { |
88 | int d1, d2; | 13 | int d1, d2; |
89 | if (strlen(txt) < 3) { | 14 | if (strlen(txt) < 3) { |
90 | *txt = '\0'; | 15 | *txt = '\0'; |
91 | return txt-1; | 16 | return txt-1; |
92 | } | 17 | } |
93 | d1 = hextoint(*(txt+1)); | 18 | d1 = hextoint(*(txt+1)); |
94 | d2 = hextoint(*(txt+2)); | 19 | d2 = hextoint(*(txt+2)); |
95 | if (d1<0 || d2<0) { | 20 | if (d1<0 || d2<0) { |
96 | strcpy(txt, txt+3); | 21 | strcpy(txt, txt+3); |
97 | return txt-1; | 22 | return txt-1; |
98 | } else { | 23 | } else { |
99 | *txt = d1 * 16 + d2; | 24 | *txt = d1 * 16 + d2; |
100 | strcpy(txt+1, txt+3); | 25 | strcpy(txt+1, txt+3); |
101 | return txt; | 26 | return txt; |
102 | } | 27 | } |
103 | } | 28 | } |
104 | 29 | ||
105 | int cgit_parse_query(char *txt, configfn fn) | 30 | int cgit_parse_query(char *txt, configfn fn) |
106 | { | 31 | { |
107 | char *t, *value = NULL, c; | 32 | char *t, *value = NULL, c; |
108 | 33 | ||
109 | if (!txt) | 34 | if (!txt) |
110 | return 0; | 35 | return 0; |
111 | 36 | ||
112 | t = txt = xstrdup(txt); | 37 | t = txt = xstrdup(txt); |
113 | 38 | ||
114 | while((c=*t) != '\0') { | 39 | while((c=*t) != '\0') { |
115 | if (c=='=') { | 40 | if (c=='=') { |
116 | *t = '\0'; | 41 | *t = '\0'; |
117 | value = t+1; | 42 | value = t+1; |
118 | } else if (c=='+') { | 43 | } else if (c=='+') { |
119 | *t = ' '; | 44 | *t = ' '; |
120 | } else if (c=='%') { | 45 | } else if (c=='%') { |
121 | t = convert_query_hexchar(t); | 46 | t = convert_query_hexchar(t); |
122 | } else if (c=='&') { | 47 | } else if (c=='&') { |
123 | *t = '\0'; | 48 | *t = '\0'; |
124 | (*fn)(txt, value); | 49 | (*fn)(txt, value); |
125 | txt = t+1; | 50 | txt = t+1; |
126 | value = NULL; | 51 | value = NULL; |
127 | } | 52 | } |
128 | t++; | 53 | t++; |
129 | } | 54 | } |
130 | if (t!=txt) | 55 | if (t!=txt) |
131 | (*fn)(txt, value); | 56 | (*fn)(txt, value); |
132 | return 0; | 57 | return 0; |
133 | } | 58 | } |
134 | 59 | ||
135 | /* | 60 | /* |
136 | * url syntax: [repo ['/' cmd [ '/' path]]] | 61 | * url syntax: [repo ['/' cmd [ '/' path]]] |
137 | * repo: any valid repo url, may contain '/' | 62 | * repo: any valid repo url, may contain '/' |
138 | * cmd: log | commit | diff | tree | view | blob | snapshot | 63 | * cmd: log | commit | diff | tree | view | blob | snapshot |
139 | * path: any valid path, may contain '/' | 64 | * path: any valid path, may contain '/' |
140 | * | 65 | * |
141 | */ | 66 | */ |
142 | void cgit_parse_url(const char *url) | 67 | void cgit_parse_url(const char *url) |
143 | { | 68 | { |
144 | char *cmd, *p; | 69 | char *cmd, *p; |
145 | 70 | ||
146 | ctx.repo = NULL; | 71 | ctx.repo = NULL; |
147 | if (!url || url[0] == '\0') | 72 | if (!url || url[0] == '\0') |
148 | return; | 73 | return; |
149 | 74 | ||
150 | ctx.repo = cgit_get_repoinfo(url); | 75 | ctx.repo = cgit_get_repoinfo(url); |
151 | if (ctx.repo) { | 76 | if (ctx.repo) { |
152 | ctx.qry.repo = ctx.repo->url; | 77 | ctx.qry.repo = ctx.repo->url; |
153 | return; | 78 | return; |
154 | } | 79 | } |
155 | 80 | ||
156 | cmd = strchr(url, '/'); | 81 | cmd = strchr(url, '/'); |
157 | while (!ctx.repo && cmd) { | 82 | while (!ctx.repo && cmd) { |
158 | cmd[0] = '\0'; | 83 | cmd[0] = '\0'; |
159 | ctx.repo = cgit_get_repoinfo(url); | 84 | ctx.repo = cgit_get_repoinfo(url); |
160 | if (ctx.repo == NULL) { | 85 | if (ctx.repo == NULL) { |
161 | cmd[0] = '/'; | 86 | cmd[0] = '/'; |
162 | cmd = strchr(cmd + 1, '/'); | 87 | cmd = strchr(cmd + 1, '/'); |
163 | continue; | 88 | continue; |
164 | } | 89 | } |
165 | 90 | ||
166 | ctx.qry.repo = ctx.repo->url; | 91 | ctx.qry.repo = ctx.repo->url; |
167 | p = strchr(cmd + 1, '/'); | 92 | p = strchr(cmd + 1, '/'); |
168 | if (p) { | 93 | if (p) { |
169 | p[0] = '\0'; | 94 | p[0] = '\0'; |
170 | if (p[1]) | 95 | if (p[1]) |
171 | ctx.qry.path = trim_end(p + 1, '/'); | 96 | ctx.qry.path = trim_end(p + 1, '/'); |
172 | } | 97 | } |
173 | if (cmd[1]) | 98 | if (cmd[1]) |
174 | ctx.qry.page = xstrdup(cmd + 1); | 99 | ctx.qry.page = xstrdup(cmd + 1); |
175 | return; | 100 | return; |
176 | } | 101 | } |
177 | } | 102 | } |
178 | 103 | ||
179 | char *substr(const char *head, const char *tail) | 104 | char *substr(const char *head, const char *tail) |
180 | { | 105 | { |
181 | char *buf; | 106 | char *buf; |
182 | 107 | ||
183 | buf = xmalloc(tail - head + 1); | 108 | buf = xmalloc(tail - head + 1); |
184 | strncpy(buf, head, tail - head); | 109 | strncpy(buf, head, tail - head); |
185 | buf[tail - head] = '\0'; | 110 | buf[tail - head] = '\0'; |
186 | return buf; | 111 | return buf; |
187 | } | 112 | } |
188 | 113 | ||
189 | struct commitinfo *cgit_parse_commit(struct commit *commit) | 114 | struct commitinfo *cgit_parse_commit(struct commit *commit) |
190 | { | 115 | { |
191 | struct commitinfo *ret; | 116 | struct commitinfo *ret; |
192 | char *p = commit->buffer, *t = commit->buffer; | 117 | char *p = commit->buffer, *t = commit->buffer; |
193 | 118 | ||
194 | ret = xmalloc(sizeof(*ret)); | 119 | ret = xmalloc(sizeof(*ret)); |
195 | ret->commit = commit; | 120 | ret->commit = commit; |
196 | ret->author = NULL; | 121 | ret->author = NULL; |
197 | ret->author_email = NULL; | 122 | ret->author_email = NULL; |
198 | ret->committer = NULL; | 123 | ret->committer = NULL; |
199 | ret->committer_email = NULL; | 124 | ret->committer_email = NULL; |
200 | ret->subject = NULL; | 125 | ret->subject = NULL; |
201 | ret->msg = NULL; | 126 | ret->msg = NULL; |
202 | ret->msg_encoding = NULL; | 127 | ret->msg_encoding = NULL; |
203 | 128 | ||
204 | if (p == NULL) | 129 | if (p == NULL) |
205 | return ret; | 130 | return ret; |
206 | 131 | ||
207 | if (strncmp(p, "tree ", 5)) | 132 | if (strncmp(p, "tree ", 5)) |
208 | die("Bad commit: %s", sha1_to_hex(commit->object.sha1)); | 133 | die("Bad commit: %s", sha1_to_hex(commit->object.sha1)); |
209 | else | 134 | else |
210 | p += 46; // "tree " + hex[40] + "\n" | 135 | p += 46; // "tree " + hex[40] + "\n" |
211 | 136 | ||
212 | while (!strncmp(p, "parent ", 7)) | 137 | while (!strncmp(p, "parent ", 7)) |
213 | p += 48; // "parent " + hex[40] + "\n" | 138 | p += 48; // "parent " + hex[40] + "\n" |
214 | 139 | ||
215 | if (!strncmp(p, "author ", 7)) { | 140 | if (!strncmp(p, "author ", 7)) { |
216 | p += 7; | 141 | p += 7; |
217 | t = strchr(p, '<') - 1; | 142 | t = strchr(p, '<') - 1; |
218 | ret->author = substr(p, t); | 143 | ret->author = substr(p, t); |
219 | p = t; | 144 | p = t; |
220 | t = strchr(t, '>') + 1; | 145 | t = strchr(t, '>') + 1; |
221 | ret->author_email = substr(p, t); | 146 | ret->author_email = substr(p, t); |
222 | ret->author_date = atol(t+1); | 147 | ret->author_date = atol(t+1); |
223 | p = strchr(t, '\n') + 1; | 148 | p = strchr(t, '\n') + 1; |
224 | } | 149 | } |
225 | 150 | ||
226 | if (!strncmp(p, "committer ", 9)) { | 151 | if (!strncmp(p, "committer ", 9)) { |
227 | p += 9; | 152 | p += 9; |
228 | t = strchr(p, '<') - 1; | 153 | t = strchr(p, '<') - 1; |
229 | ret->committer = substr(p, t); | 154 | ret->committer = substr(p, t); |
230 | p = t; | 155 | p = t; |
231 | t = strchr(t, '>') + 1; | 156 | t = strchr(t, '>') + 1; |
232 | ret->committer_email = substr(p, t); | 157 | ret->committer_email = substr(p, t); |
233 | ret->committer_date = atol(t+1); | 158 | ret->committer_date = atol(t+1); |
234 | p = strchr(t, '\n') + 1; | 159 | p = strchr(t, '\n') + 1; |
235 | } | 160 | } |
236 | 161 | ||
237 | if (!strncmp(p, "encoding ", 9)) { | 162 | if (!strncmp(p, "encoding ", 9)) { |
238 | p += 9; | 163 | p += 9; |
239 | t = strchr(p, '\n') + 1; | 164 | t = strchr(p, '\n') + 1; |
240 | ret->msg_encoding = substr(p, t); | 165 | ret->msg_encoding = substr(p, t); |
241 | p = t; | 166 | p = t; |
242 | } else | 167 | } else |
243 | ret->msg_encoding = xstrdup(PAGE_ENCODING); | 168 | ret->msg_encoding = xstrdup(PAGE_ENCODING); |
244 | 169 | ||
245 | while (*p && (*p != '\n')) | 170 | while (*p && (*p != '\n')) |
246 | p = strchr(p, '\n') + 1; // skip unknown header fields | 171 | p = strchr(p, '\n') + 1; // skip unknown header fields |
247 | 172 | ||
248 | while (*p == '\n') | 173 | while (*p == '\n') |
249 | p = strchr(p, '\n') + 1; | 174 | p = strchr(p, '\n') + 1; |
250 | 175 | ||
251 | t = strchr(p, '\n'); | 176 | t = strchr(p, '\n'); |
252 | if (t) { | 177 | if (t) { |
253 | if (*t == '\0') | 178 | if (*t == '\0') |
254 | ret->subject = "** empty **"; | 179 | ret->subject = "** empty **"; |
255 | else | 180 | else |
256 | ret->subject = substr(p, t); | 181 | ret->subject = substr(p, t); |
257 | p = t + 1; | 182 | p = t + 1; |
258 | 183 | ||
259 | while (*p == '\n') | 184 | while (*p == '\n') |
260 | p = strchr(p, '\n') + 1; | 185 | p = strchr(p, '\n') + 1; |
261 | ret->msg = xstrdup(p); | 186 | ret->msg = xstrdup(p); |
262 | } else | 187 | } else |
263 | ret->subject = substr(p, p+strlen(p)); | 188 | ret->subject = substr(p, p+strlen(p)); |
264 | 189 | ||
265 | if(strcmp(ret->msg_encoding, PAGE_ENCODING)) { | 190 | if(strcmp(ret->msg_encoding, PAGE_ENCODING)) { |
266 | t = reencode_string(ret->subject, PAGE_ENCODING, | 191 | t = reencode_string(ret->subject, PAGE_ENCODING, |
267 | ret->msg_encoding); | 192 | ret->msg_encoding); |
268 | if(t) { | 193 | if(t) { |
269 | free(ret->subject); | 194 | free(ret->subject); |
270 | ret->subject = t; | 195 | ret->subject = t; |
271 | } | 196 | } |
272 | 197 | ||
273 | t = reencode_string(ret->msg, PAGE_ENCODING, | 198 | t = reencode_string(ret->msg, PAGE_ENCODING, |
274 | ret->msg_encoding); | 199 | ret->msg_encoding); |
275 | if(t) { | 200 | if(t) { |
276 | free(ret->msg); | 201 | free(ret->msg); |
277 | ret->msg = t; | 202 | ret->msg = t; |
278 | } | 203 | } |
279 | } | 204 | } |
280 | 205 | ||
281 | return ret; | 206 | return ret; |
282 | } | 207 | } |
283 | 208 | ||
284 | 209 | ||
285 | struct taginfo *cgit_parse_tag(struct tag *tag) | 210 | struct taginfo *cgit_parse_tag(struct tag *tag) |
286 | { | 211 | { |
287 | void *data; | 212 | void *data; |
288 | enum object_type type; | 213 | enum object_type type; |
289 | unsigned long size; | 214 | unsigned long size; |
290 | char *p, *t; | 215 | char *p, *t; |
291 | struct taginfo *ret; | 216 | struct taginfo *ret; |
292 | 217 | ||
293 | data = read_sha1_file(tag->object.sha1, &type, &size); | 218 | data = read_sha1_file(tag->object.sha1, &type, &size); |
294 | if (!data || type != OBJ_TAG) { | 219 | if (!data || type != OBJ_TAG) { |
295 | free(data); | 220 | free(data); |
296 | return 0; | 221 | return 0; |
297 | } | 222 | } |
298 | 223 | ||
299 | ret = xmalloc(sizeof(*ret)); | 224 | ret = xmalloc(sizeof(*ret)); |
300 | ret->tagger = NULL; | 225 | ret->tagger = NULL; |
301 | ret->tagger_email = NULL; | 226 | ret->tagger_email = NULL; |
302 | ret->tagger_date = 0; | 227 | ret->tagger_date = 0; |
303 | ret->msg = NULL; | 228 | ret->msg = NULL; |
304 | 229 | ||
305 | p = data; | 230 | p = data; |
306 | 231 | ||
307 | while (p && *p) { | 232 | while (p && *p) { |
308 | if (*p == '\n') | 233 | if (*p == '\n') |
309 | break; | 234 | break; |
310 | 235 | ||
311 | if (!strncmp(p, "tagger ", 7)) { | 236 | if (!strncmp(p, "tagger ", 7)) { |
312 | p += 7; | 237 | p += 7; |
313 | t = strchr(p, '<') - 1; | 238 | t = strchr(p, '<') - 1; |
314 | ret->tagger = substr(p, t); | 239 | ret->tagger = substr(p, t); |
315 | p = t; | 240 | p = t; |
316 | t = strchr(t, '>') + 1; | 241 | t = strchr(t, '>') + 1; |
317 | ret->tagger_email = substr(p, t); | 242 | ret->tagger_email = substr(p, t); |
318 | ret->tagger_date = atol(t+1); | 243 | ret->tagger_date = atol(t+1); |
319 | } | 244 | } |
320 | p = strchr(p, '\n') + 1; | 245 | p = strchr(p, '\n') + 1; |
321 | } | 246 | } |
322 | 247 | ||
323 | while (p && *p && (*p != '\n')) | 248 | while (p && *p && (*p != '\n')) |
324 | p = strchr(p, '\n') + 1; // skip unknown tag fields | 249 | p = strchr(p, '\n') + 1; // skip unknown tag fields |
325 | 250 | ||
326 | while (p && (*p == '\n')) | 251 | while (p && (*p == '\n')) |
327 | p = strchr(p, '\n') + 1; | 252 | p = strchr(p, '\n') + 1; |
328 | if (p && *p) | 253 | if (p && *p) |
329 | ret->msg = xstrdup(p); | 254 | ret->msg = xstrdup(p); |
330 | free(data); | 255 | free(data); |
331 | return ret; | 256 | return ret; |
332 | } | 257 | } |